class_docstr: Patch a callback output value
  
  Act like a proxy of the output prop value on the frontend.
  
  Supported prop types: Dictionaries and lists.
code: def __getattr__(self, item):
      if item == "tolist":
          # to_json fix
          raise AttributeError
      if item == "_location":
          return self._location
      if item == "_operations":
          return self._operations
      return self.__getitem__(item)
  
label_desc: Use image node_id 5 for calling the Patch obj's underlying member method code with example usage: obj.__getattr__(item) and returns: self, self, self